package com.youdianda.config;


import com.youdianda.interceptor.JwtTokenAdminInterceptor;
import com.youdianda.interceptor.JwtTokenFrontInterceptor;
import com.youdianda.json.JacksonObjectMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

import java.util.List;

/**
 * 配置类，注册web层相关组件
 */
@Configuration
public class WebMvcConfiguration extends WebMvcConfigurationSupport {

    @Autowired
    private JwtTokenAdminInterceptor jwtTokenAdminInterceptor;

    @Autowired
    private JwtTokenFrontInterceptor jwtTokenFrontInterceptor;
    /**
     * 注册自定义拦截器
     *
     * @param registry
     */
    @Override
    protected void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(jwtTokenAdminInterceptor)
                .addPathPatterns("/**")
                .excludePathPatterns("/index/new")
                .excludePathPatterns("/index/list")
                .excludePathPatterns("/index/reg")
                .excludePathPatterns("/index/hot")
                .excludePathPatterns("/index/recommend")
                .excludePathPatterns("/index/index")
                .excludePathPatterns("/index/show")
                .excludePathPatterns("/index/login")
                .excludePathPatterns("/index/getConfig")
                .excludePathPatterns("/home/**")
                .excludePathPatterns("/user/**")
                .excludePathPatterns("/common/**");

        //前台需要拦截/user/**
        registry.addInterceptor(jwtTokenFrontInterceptor)
                .addPathPatterns("/user/**");
    }


    /**
     * 通过knife4j生成接口文档
     * @return
     */
    @Bean
    public Docket docket() {
        ApiInfo apiInfo = new ApiInfoBuilder()
                .title("优点达项目接口文档")
                .version("2.0")
                .description("优点达项目接口文档")
                .build();
        Docket docket = new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo)
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.youdianda.controller"))
                .paths(PathSelectors.any())
                .build();
        return docket;
    }
    /**
     * 扩展Spring MVC框架的消息转化器
     * @param converters
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        //创建一个消息转换器对象
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        //需要为消息转换器设置一个对象转换器，对象转换器可以将Java对象序列化为json数据
        converter.setObjectMapper(new JacksonObjectMapper());
        //将自己的消息转化器加入容器中
        converters.add(0,converter);
    }
}
